Link is to a collection of Linus's comments, from between 1999 and 2008, about how to efficiently implement mutex and semaphores in the Linux kernel. Linus is

Link is to a collection of Linus's comments, from between 1999 and 2008, about how to efficiently implement mutex and semaphores in the Linux kernel. Linus is the BDFL of the Linux kernel, and he obviously needs to think about the big picture. And yet in these comments he gets into nitty-gritty assembly language. I love it when a big picture guy also sweats the details.